18924883978

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1423}}^1$

素因数の和:1549

約数の個数: 144

約数和(自身を含む): 39570374016

約数和(自身を除く): 20645490038

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 73, 77, 91, 98, 143, 146, 154, 169, 182, 286, 338, 511, 539, 637, 803, 949, 1001, 1022, 1078, 1183, 1274, 1423, 1606, 1859, 1898, 2002, 2366, 2846, 3577, 3718, 5621, 6643, 7007, 7154, 8281, 9961, 10439, 11242, 12337, 13013, 13286, 14014, 15653, 16562, 18499, 19922, 20878, 24674, 26026, 31306, 36998, 39347, 46501, 69727, 73073, 78694, 86359, 91091, 93002, 103879, 109571, 129493, 135707, 139454, 146146, 172718, 182182, 203489, 207758, 219142, 240487, 258986, 271414, 406978, 480974, 511511, 604513, 727153, 766997, 906451, 949949, 1023022, 1142669, 1209026, 1350427, 1424423, 1454306, 1533994, 1683409, 1812902, 1899898, 2285338, 2645357, 2700854, 2848846, 3366818, 5090071, 5290714, 6649643, 7998683, 9452989, 9970961, 10180142, 11783863, 13299286, 14854697, 15997366, 17555551, 18517499, 18905978, 19941922, 23567726, 29709394, 35111102, 37034998, 55990781, 66170923, 103982879, 111981562, 122888857, 129622493, 132341846, 193111061, 207965758, 245777714, 259244986, 386222122, 727880153, 860221999, 1351777427, 1455760306, 1720443998, 2703554854, 9462441989, 18924883978]

約数ペア:

[(1, 18924883978), (2, 9462441989), (7, 2703554854), (11, 1720443998), (13, 1455760306), (14, 1351777427), (22, 860221999), (26, 727880153), (49, 386222122), (73, 259244986), (77, 245777714), (91, 207965758), (98, 193111061), (143, 132341846), (146, 129622493), (154, 122888857), (169, 111981562), (182, 103982879), (286, 66170923), (338, 55990781), (511, 37034998), (539, 35111102), (637, 29709394), (803, 23567726), (949, 19941922), (1001, 18905978), (1022, 18517499), (1078, 17555551), (1183, 15997366), (1274, 14854697), (1423, 13299286), (1606, 11783863), (1859, 10180142), (1898, 9970961), (2002, 9452989), (2366, 7998683), (2846, 6649643), (3577, 5290714), (3718, 5090071), (5621, 3366818), (6643, 2848846), (7007, 2700854), (7154, 2645357), (8281, 2285338), (9961, 1899898), (10439, 1812902), (11242, 1683409), (12337, 1533994), (13013, 1454306), (13286, 1424423), (14014, 1350427), (15653, 1209026), (16562, 1142669), (18499, 1023022), (19922, 949949), (20878, 906451), (24674, 766997), (26026, 727153), (31306, 604513), (36998, 511511), (39347, 480974), (46501, 406978), (69727, 271414), (73073, 258986), (78694, 240487), (86359, 219142), (91091, 207758), (93002, 203489), (103879, 182182), (109571, 172718), (129493, 146146), (135707, 139454)]